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Finding the Fourth Proportional to 172,257.48, 237,703.06 and 96,817.48

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Solution

The fourth proportional to 172,257.48, 237,703.06 and 96,817.48 is: 133,601.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,257.48 : 237,703.06 = 96,817.48 : x
  2. Step 2: Convert to fraction form
    172,257.48/237,703.06 = 96,817.48/x
  3. Step 3: Cross multiply
    172,257.48x = 237,703.06 × 96,817.48
  4. Step 4: Simplify right side
    172,257.48x = 23,013,811,257.49
  5. Step 5: Solve for x
    x = 23,013,811,257.49/172,257.48
  6. Step 6: Final answer
    x = 133,601.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.